Stellaverdult

Unlocker is a freeware utility to unlock open handles on files so that they may be deleted. Unlocker is a very light software solution that helps rename, move or delete locked files with a single click and through a very simple yet efficient interface.

you can simply right-click on the file or folder and are then presented with three options: Kill Process, Unlock, and Unlock All.

Unlocker helps delete locked files with error messages like:
Cannot delete file: Access is denied.
The file is in use by another program or user.
There has been a sharing violation.